Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  acpi,msi-laptop: Fall back to EC polling mode for MSI laptop specific EC commands
  sony-laptop: rename SONY_LAPTOP_OLD to a more meaningful SONYPI_COMPAT
  asus-laptop: version bump and lindent
  asus-laptop: fix light sens init
  asus-laptop: add GPS support
  asus-laptop: notify ALL events
  ACPICA: Lindent
  ACPI: created a dedicated workqueue for notify() execution
  Revert "ACPICA: fix AML mutex re-entrancy"
  Revert "Execute AML Notify() requests on stack."
  Revert "ACPICA: revert "acpi_serialize" changes"
  ACPI: delete un-reliable concept of cooling mode
  ACPI: thermal trip points are read-only

drivers/acpi/dispatcher/dsmethod.c

@@ -231,8 +231,10 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
 		 * Obtain the method mutex if necessary. Do not acquire mutex for a
 		 * recursive call.
 		 */
-		if (acpi_os_get_thread_id() !=
-		    obj_desc->method.mutex->mutex.owner_thread_id) {
+		if (!walk_state ||
+		    !obj_desc->method.mutex->mutex.owner_thread ||
+		    (walk_state->thread !=
+		     obj_desc->method.mutex->mutex.owner_thread)) {
 			/*
 			 * Acquire the method mutex. This releases the interpreter if we
 			 * block (and reacquires it before it returns)
@@ -246,14 +248,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
 			}
 
 			/* Update the mutex and walk info and save the original sync_level */
-			obj_desc->method.mutex->mutex.owner_thread_id =
-				acpi_os_get_thread_id();
 
 			if (walk_state) {
 				obj_desc->method.mutex->mutex.
 				    original_sync_level =
 				    walk_state->thread->current_sync_level;
 
+				obj_desc->method.mutex->mutex.owner_thread =
+				    walk_state->thread;
 				walk_state->thread->current_sync_level =
 				    obj_desc->method.sync_level;
 			} else {
@@ -567,7 +569,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 
 			acpi_os_release_mutex(method_desc->method.mutex->mutex.
 					      os_mutex);
-			method_desc->method.mutex->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+			method_desc->method.mutex->mutex.owner_thread = NULL;
 		}
 	}
 

drivers/acpi/dispatcher/dsopcode.c

@@ -866,8 +866,7 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
 		    ((op->common.parent->common.aml_opcode != AML_PACKAGE_OP) &&
 		     (op->common.parent->common.aml_opcode !=
 		      AML_VAR_PACKAGE_OP)
-		     && (op->common.parent->common.aml_opcode !=
-			 AML_NAME_OP))) {
+		     && (op->common.parent->common.aml_opcode != AML_NAME_OP))) {
 			walk_state->result_obj = obj_desc;
 		}
 	}

drivers/acpi/dispatcher/dsutils.c

@@ -556,8 +556,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
 					 * indicate this to the interpreter, set the
 					 * object to the root
 					 */
-					obj_desc =
-					    ACPI_CAST_PTR(union
+					obj_desc = ACPI_CAST_PTR(union
 								 acpi_operand_object,
 								 acpi_gbl_root_node);
 					status = AE_OK;

drivers/acpi/dispatcher/dswstate.c

@@ -630,12 +630,9 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread)
  *
  ******************************************************************************/
 
-struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
-						  union acpi_parse_object
-						  *origin,
-						  union acpi_operand_object
-						  *method_desc,
-						  struct acpi_thread_state
+struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object
+						  *origin, union acpi_operand_object
+						  *method_desc, struct acpi_thread_state
 						  *thread)
 {
 	struct acpi_walk_state *walk_state;

drivers/acpi/ec.c

@@ -147,9 +147,10 @@ static inline int acpi_ec_check_status(struct acpi_ec *ec, enum ec_event event,
 	return 0;
 }
 
-static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, unsigned count)
+static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event,
+                        unsigned count, int force_poll)
 {
-	if (acpi_ec_mode == EC_POLL) {
+	if (unlikely(force_poll) || acpi_ec_mode == EC_POLL) {
 		unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);
 		while (time_before(jiffies, delay)) {
 			if (acpi_ec_check_status(ec, event, 0))
@@ -173,14 +174,15 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, unsigned count)
 
 static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 					const u8 * wdata, unsigned wdata_len,
-					u8 * rdata, unsigned rdata_len)
+					u8 * rdata, unsigned rdata_len,
+					int force_poll)
 {
 	int result = 0;
 	unsigned count = atomic_read(&ec->event_count);
 	acpi_ec_write_cmd(ec, command);
 
 	for (; wdata_len > 0; --wdata_len) {
-		result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, count);
+		result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, count, force_poll);
 		if (result) {
 			printk(KERN_ERR PREFIX
 			       "write_cmd timeout, command = %d\n", command);
@@ -191,7 +193,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 	}
 
 	if (!rdata_len) {
-		result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, count);
+		result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, count, force_poll);
 		if (result) {
 			printk(KERN_ERR PREFIX
 			       "finish-write timeout, command = %d\n", command);
@@ -202,7 +204,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 	}
 
 	for (; rdata_len > 0; --rdata_len) {
-		result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1, count);
+		result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1, count, force_poll);
 		if (result) {
 			printk(KERN_ERR PREFIX "read timeout, command = %d\n",
 			       command);
@@ -217,7 +219,8 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 
 static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
 			       const u8 * wdata, unsigned wdata_len,
-			       u8 * rdata, unsigned rdata_len)
+			       u8 * rdata, unsigned rdata_len,
+			       int force_poll)
 {
 	int status;
 	u32 glk;
@@ -240,7 +243,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
 	/* Make sure GPE is enabled before doing transaction */
 	acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
 
-	status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0);
+	status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0, 0);
 	if (status) {
 		printk(KERN_DEBUG PREFIX
 		       "input buffer is not empty, aborting transaction\n");
@@ -249,7 +252,8 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
 
 	status = acpi_ec_transaction_unlocked(ec, command,
 					      wdata, wdata_len,
-					      rdata, rdata_len);
+					      rdata, rdata_len,
+					      force_poll);
 
       end:
 
@@ -267,12 +271,12 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
 int acpi_ec_burst_enable(struct acpi_ec *ec)
 {
 	u8 d;
-	return acpi_ec_transaction(ec, ACPI_EC_BURST_ENABLE, NULL, 0, &d, 1);
+	return acpi_ec_transaction(ec, ACPI_EC_BURST_ENABLE, NULL, 0, &d, 1, 0);
 }
 
 int acpi_ec_burst_disable(struct acpi_ec *ec)
 {
-	return acpi_ec_transaction(ec, ACPI_EC_BURST_DISABLE, NULL, 0, NULL, 0);
+	return acpi_ec_transaction(ec, ACPI_EC_BURST_DISABLE, NULL, 0, NULL, 0, 0);
 }
 
 static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
@@ -281,7 +285,7 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
 	u8 d;
 
 	result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_READ,
-				     &address, 1, &d, 1);
+				     &address, 1, &d, 1, 0);
 	*data = d;
 	return result;
 }
@@ -290,7 +294,7 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
 {
 	u8 wdata[2] = { address, data };
 	return acpi_ec_transaction(ec, ACPI_EC_COMMAND_WRITE,
-				   wdata, 2, NULL, 0);
+				   wdata, 2, NULL, 0, 0);
 }
 
 /*
@@ -349,13 +353,15 @@ EXPORT_SYMBOL(ec_write);
 
 int ec_transaction(u8 command,
 		   const u8 * wdata, unsigned wdata_len,
-		   u8 * rdata, unsigned rdata_len)
+		   u8 * rdata, unsigned rdata_len,
+		   int force_poll)
 {
 	if (!first_ec)
 		return -ENODEV;
 
 	return acpi_ec_transaction(first_ec, command, wdata,
-				   wdata_len, rdata, rdata_len);
+				   wdata_len, rdata, rdata_len,
+				   force_poll);
 }
 
 EXPORT_SYMBOL(ec_transaction);
@@ -374,7 +380,7 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 * data)
 	 * bit to be cleared (and thus clearing the interrupt source).
 	 */
 
-	result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_QUERY, NULL, 0, &d, 1);
+	result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_QUERY, NULL, 0, &d, 1, 0);
 	if (result)
 		return result;
 
@@ -410,6 +416,7 @@ static u32 acpi_ec_gpe_handler(void *data)
 	acpi_status status = AE_OK;
 	u8 value;
 	struct acpi_ec *ec = data;
+
 	atomic_inc(&ec->event_count);
 
 	if (acpi_ec_mode == EC_INTR) {

drivers/acpi/events/evgpe.c

@@ -341,8 +341,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
 
 	/* A Non-NULL gpe_device means this is a GPE Block Device */
 
-	obj_desc =
-	    acpi_ns_get_attached_object((struct acpi_namespace_node *)
+	obj_desc = acpi_ns_get_attached_object((struct acpi_namespace_node *)
 					       gpe_device);
 	if (!obj_desc || !obj_desc->device.gpe_block) {
 		return (NULL);

drivers/acpi/events/evgpeblk.c

@@ -1033,8 +1033,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
 
 			if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
 			     ACPI_GPE_DISPATCH_METHOD)
-			    && (gpe_event_info->
-				flags & ACPI_GPE_TYPE_RUNTIME)) {
+			    && (gpe_event_info->flags & ACPI_GPE_TYPE_RUNTIME)) {
 				gpe_enabled_count++;
 			}
 

drivers/acpi/events/evmisc.c

@@ -196,15 +196,12 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
 		notify_info->notify.value = (u16) notify_value;
 		notify_info->notify.handler_obj = handler_obj;
 
-		acpi_ex_exit_interpreter();
-
-		acpi_ev_notify_dispatch(notify_info);
-
-		status = acpi_ex_enter_interpreter();
+		status =
+		    acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch,
+				    notify_info);
 		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
+			acpi_ut_delete_generic_state(notify_info);
 		}
-
 	}
 
 	if (!handler_obj) {
@@ -323,8 +320,9 @@ static u32 acpi_ev_global_lock_handler(void *context)
 		acpi_gbl_global_lock_acquired = TRUE;
 		/* Send a unit to the semaphore */
 
-		if (ACPI_FAILURE(acpi_os_signal_semaphore(
-			acpi_gbl_global_lock_semaphore, 1))) {
+		if (ACPI_FAILURE
+		    (acpi_os_signal_semaphore
+		     (acpi_gbl_global_lock_semaphore, 1))) {
 			ACPI_ERROR((AE_INFO,
 				    "Could not signal Global Lock semaphore"));
 		}
@@ -450,7 +448,9 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
 	}
 
 	if (ACPI_FAILURE(status)) {
-		status = acpi_ex_system_wait_mutex(acpi_gbl_global_lock_mutex, timeout);
+		status =
+		    acpi_ex_system_wait_mutex(acpi_gbl_global_lock_mutex,
+					      timeout);
 	}
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);

drivers/acpi/events/evregion.c

@@ -291,7 +291,6 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 			       u32 bit_width, acpi_integer * value)
 {
 	acpi_status status;
-	acpi_status status2;
 	acpi_adr_space_handler handler;
 	acpi_adr_space_setup region_setup;
 	union acpi_operand_object *handler_desc;
@@ -345,7 +344,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * setup will potentially execute control methods
 		 * (e.g., _REG method for this region)
 		 */
-		acpi_ex_exit_interpreter();
+		acpi_ex_relinquish_interpreter();
 
 		status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
 				      handler_desc->address_space.context,
@@ -353,10 +352,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 
 		/* Re-enter the interpreter */
 
-		status2 = acpi_ex_enter_interpreter();
-		if (ACPI_FAILURE(status2)) {
-			return_ACPI_STATUS(status2);
-		}
+		acpi_ex_reacquire_interpreter();
 
 		/* Check for failure of the Region Setup */
 
@@ -409,7 +405,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * exit the interpreter because the handler *might* block -- we don't
 		 * know what it will do, so we can't hold the lock on the intepreter.
 		 */
-		acpi_ex_exit_interpreter();
+		acpi_ex_relinquish_interpreter();
 	}
 
 	/* Call the handler */
@@ -430,10 +426,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * We just returned from a non-default handler, we must re-enter the
 		 * interpreter
 		 */
-		status2 = acpi_ex_enter_interpreter();
-		if (ACPI_FAILURE(status2)) {
-			return_ACPI_STATUS(status2);
-		}
+		acpi_ex_reacquire_interpreter();
 	}
 
 	return_ACPI_STATUS(status);

drivers/acpi/events/evrgnini.c

@@ -228,7 +228,8 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
 
 				/* Install a handler for this PCI root bridge */
 
-				status = acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
+				status =
+				    acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
 				if (ACPI_FAILURE(status)) {
 					if (status == AE_SAME_HANDLER) {
 						/*

drivers/acpi/events/evxface.c

@@ -91,7 +91,6 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
 
 ACPI_EXPORT_SYMBOL(acpi_install_exception_handler)
 #endif				/*  ACPI_FUTURE_USAGE  */
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_install_fixed_event_handler
@@ -768,11 +767,9 @@ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
 		return (AE_BAD_PARAMETER);
 	}
 
-	status = acpi_ex_enter_interpreter();
-	if (ACPI_FAILURE(status)) {
-		return (status);
-	}
+	/* Must lock interpreter to prevent race conditions */
 
+	acpi_ex_enter_interpreter();
 	status = acpi_ev_acquire_global_lock(timeout);
 	acpi_ex_exit_interpreter();
 

drivers/acpi/events/evxfevnt.c

@@ -472,7 +472,6 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
 }
 
 ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
-
 #ifdef ACPI_FUTURE_USAGE
 /*******************************************************************************
  *
@@ -568,7 +567,6 @@ acpi_get_gpe_status(acpi_handle gpe_device,
 
 ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
 #endif				/*  ACPI_FUTURE_USAGE  */
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_install_gpe_block

drivers/acpi/executer/exconvrt.c

@@ -512,8 +512,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
 		 * Create a new string object and string buffer
 		 * (-1 because of extra separator included in string_length from above)
 		 */
-		return_desc =
-		    acpi_ut_create_string_object((acpi_size)
+		return_desc = acpi_ut_create_string_object((acpi_size)
 							   (string_length - 1));
 		if (!return_desc) {
 			return_ACPI_STATUS(AE_NO_MEMORY);

drivers/acpi/executer/excreate.c

@@ -50,7 +50,6 @@
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("excreate")
-
 #ifndef ACPI_NO_METHOD_EXECUTION
 /*******************************************************************************
  *
@@ -583,10 +582,7 @@ acpi_ex_create_method(u8 * aml_start,
 	 * Get the sync_level. If method is serialized, a mutex will be
 	 * created for this method when it is parsed.
 	 */
-	if (acpi_gbl_all_methods_serialized) {
-		obj_desc->method.sync_level = 0;
-		obj_desc->method.method_flags |= AML_METHOD_SERIALIZED;
-	} else if (method_flags & AML_METHOD_SERIALIZED) {
+	if (method_flags & AML_METHOD_SERIALIZED) {
 		/*
 		 * ACPI 1.0: sync_level = 0
 		 * ACPI 2.0: sync_level = sync_level in method declaration

drivers/acpi/executer/exdump.c

@@ -134,7 +134,7 @@ static struct acpi_exdump_info acpi_ex_dump_method[8] = {
 static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
-	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread_id), "Owner Thread"},
+	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
 	{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
 	 "Acquire Depth"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
@@ -451,8 +451,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 
 	ACPI_FUNCTION_NAME(ex_dump_operand)
 
-	    if (!
-		((ACPI_LV_EXEC & acpi_dbg_level)
+	    if (!((ACPI_LV_EXEC & acpi_dbg_level)
 		  && (_COMPONENT & acpi_dbg_layer))) {
 		return;
 	}
@@ -844,8 +843,7 @@ void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
 	ACPI_FUNCTION_ENTRY();
 
 	if (!flags) {
-		if (!
-		    ((ACPI_LV_OBJECTS & acpi_dbg_level)
+		if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
 		      && (_COMPONENT & acpi_dbg_layer))) {
 			return;
 		}
@@ -1011,8 +1009,7 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
 	}
 
 	if (!flags) {
-		if (!
-		    ((ACPI_LV_OBJECTS & acpi_dbg_level)
+		if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
 		      && (_COMPONENT & acpi_dbg_layer))) {
 			return_VOID;
 		}

drivers/acpi/executer/exmutex.c

@@ -66,9 +66,10 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
  *
  ******************************************************************************/
 
-void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc,
-			  struct acpi_thread_state *thread)
+void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
 {
+	struct acpi_thread_state *thread = obj_desc->mutex.owner_thread;
+
 	if (!thread) {
 		return;
 	}
@@ -173,7 +174,9 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
 
 	/* Support for multiple acquires by the owning thread */
 
-	if (obj_desc->mutex.owner_thread_id == acpi_os_get_thread_id()) {
+	if (obj_desc->mutex.owner_thread) {
+		if (obj_desc->mutex.owner_thread->thread_id ==
+		    walk_state->thread->thread_id) {
 			/*
 			 * The mutex is already owned by this thread, just increment the
 			 * acquisition depth
@@ -181,6 +184,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
 			obj_desc->mutex.acquisition_depth++;
 			return_ACPI_STATUS(AE_OK);
 		}
+	}
 
 	/* Acquire the mutex, wait if necessary. Special case for Global Lock */
 
@@ -202,7 +206,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
 
 	/* Have the mutex: update mutex and walk info and save the sync_level */
 
-	obj_desc->mutex.owner_thread_id = acpi_os_get_thread_id();
+	obj_desc->mutex.owner_thread = walk_state->thread;
 	obj_desc->mutex.acquisition_depth = 1;
 	obj_desc->mutex.original_sync_level =
 	    walk_state->thread->current_sync_level;
@@ -242,7 +246,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
 
 	/* The mutex must have been previously acquired in order to release it */
 
-	if (!obj_desc->mutex.owner_thread_id) {
+	if (!obj_desc->mutex.owner_thread) {
 		ACPI_ERROR((AE_INFO,
 			    "Cannot release Mutex [%4.4s], not acquired",
 			    acpi_ut_get_node_name(obj_desc->mutex.node)));
@@ -262,14 +266,15 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
 	 * The Mutex is owned, but this thread must be the owner.
 	 * Special case for Global Lock, any thread can release
 	 */
-	if ((obj_desc->mutex.owner_thread_id !=
+	if ((obj_desc->mutex.owner_thread->thread_id !=
 	     walk_state->thread->thread_id)
 	    && (obj_desc->mutex.os_mutex != acpi_gbl_global_lock_mutex)) {
 		ACPI_ERROR((AE_INFO,
 			    "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX",
 			    (unsigned long)walk_state->thread->thread_id,
 			    acpi_ut_get_node_name(obj_desc->mutex.node),
-			    (unsigned long)obj_desc->mutex.owner_thread_id));
+			    (unsigned long)obj_desc->mutex.owner_thread->
+			    thread_id));
 		return_ACPI_STATUS(AE_AML_NOT_OWNER);
 	}
 
@@ -296,7 +301,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
 
 	/* Unlink the mutex from the owner's list */
 
-	acpi_ex_unlink_mutex(obj_desc, walk_state->thread);
+	acpi_ex_unlink_mutex(obj_desc);
 
 	/* Release the mutex, special case for Global Lock */
 
@@ -308,7 +313,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
 
 	/* Update the mutex and restore sync_level */
 
-	obj_desc->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+	obj_desc->mutex.owner_thread = NULL;
 	walk_state->thread->current_sync_level =
 	    obj_desc->mutex.original_sync_level;
 
@@ -363,7 +368,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
 
 		/* Mark mutex unowned */
 
-		obj_desc->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+		obj_desc->mutex.owner_thread = NULL;
 
 		/* Update Thread sync_level (Last mutex is the important one) */
 

drivers/acpi/executer/exnames.c

@@ -177,8 +177,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
 
 	ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Bytes from stream:\n"));
 
-	for (index = 0;
-	     (index < ACPI_NAME_SIZE)
+	for (index = 0; (index < ACPI_NAME_SIZE)
 	     && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
 		char_buf[index] = *aml_address++;
 		ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));

drivers/acpi/executer/exresop.c

@@ -354,8 +354,7 @@ acpi_ex_resolve_operands(u16 opcode,
 			if ((opcode == AML_STORE_OP) &&
 			    (ACPI_GET_OBJECT_TYPE(*stack_ptr) ==
 			     ACPI_TYPE_LOCAL_REFERENCE)
-			    && ((*stack_ptr)->reference.opcode ==
-				AML_INDEX_OP)) {
+			    && ((*stack_ptr)->reference.opcode == AML_INDEX_OP)) {
 				goto next_operand;
 			}
 			break;

drivers/acpi/executer/exsystem.c

@@ -66,7 +66,6 @@ ACPI_MODULE_NAME("exsystem")
 acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
 {
 	acpi_status status;
-	acpi_status status2;
 
 	ACPI_FUNCTION_TRACE(ex_system_wait_semaphore);
 
@@ -79,7 +78,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
 
 		/* We must wait, so unlock the interpreter */
 
-		acpi_ex_exit_interpreter();
+		acpi_ex_relinquish_interpreter();
 
 		status = acpi_os_wait_semaphore(semaphore, 1, timeout);
 
@@ -89,13 +88,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
 
 		/* Reacquire the interpreter */
 
-		status2 = acpi_ex_enter_interpreter();
-		if (ACPI_FAILURE(status2)) {
-
-			/* Report fatal error, could not acquire interpreter */
-
-			return_ACPI_STATUS(status2);
-		}
+		acpi_ex_reacquire_interpreter();
 	}
 
 	return_ACPI_STATUS(status);
@@ -119,7 +112,6 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
 {
 	acpi_status status;
-	acpi_status status2;
 
 	ACPI_FUNCTION_TRACE(ex_system_wait_mutex);
 
@@ -132,7 +124,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
 
 		/* We must wait, so unlock the interpreter */
 
-		acpi_ex_exit_interpreter();
+		acpi_ex_relinquish_interpreter();
 
 		status = acpi_os_acquire_mutex(mutex, timeout);
 
@@ -142,13 +134,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
 
 		/* Reacquire the interpreter */
 
-		status2 = acpi_ex_enter_interpreter();
-		if (ACPI_FAILURE(status2)) {
-
-			/* Report fatal error, could not acquire interpreter */
-
-			return_ACPI_STATUS(status2);
-		}
+		acpi_ex_reacquire_interpreter();
 	}
 
 	return_ACPI_STATUS(status);
@@ -209,20 +195,18 @@ acpi_status acpi_ex_system_do_stall(u32 how_long)
 
 acpi_status acpi_ex_system_do_suspend(acpi_integer how_long)
 {
-	acpi_status status;
-
 	ACPI_FUNCTION_ENTRY();
 
 	/* Since this thread will sleep, we must release the interpreter */
 
-	acpi_ex_exit_interpreter();
+	acpi_ex_relinquish_interpreter();
 
 	acpi_os_sleep(how_long);
 
 	/* And now we must get the interpreter again */
 
-	status = acpi_ex_enter_interpreter();
-	return (status);
+	acpi_ex_reacquire_interpreter();
+	return (AE_OK);
 }
 
 /*******************************************************************************

drivers/acpi/executer/exutils.c

@@ -76,14 +76,15 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base);
  *
  * PARAMETERS:  None
  *
- * RETURN:      Status
+ * RETURN:      None
  *
  * DESCRIPTION: Enter the interpreter execution region. Failure to enter
- *              the interpreter region is a fatal system error
+ *              the interpreter region is a fatal system error. Used in
+ *              conjunction with exit_interpreter.
  *
  ******************************************************************************/
 
-acpi_status acpi_ex_enter_interpreter(void)
+void acpi_ex_enter_interpreter(void)
 {
 	acpi_status status;
 
@@ -91,31 +92,55 @@ acpi_status acpi_ex_enter_interpreter(void)
 
 	status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
 	if (ACPI_FAILURE(status)) {
-		ACPI_ERROR((AE_INFO, "Could not acquire interpreter mutex"));
+		ACPI_ERROR((AE_INFO,
+			    "Could not acquire AML Interpreter mutex"));
 	}
 
-	return_ACPI_STATUS(status);
+	return_VOID;
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ex_exit_interpreter
+ * FUNCTION:    acpi_ex_reacquire_interpreter
  *
  * PARAMETERS:  None
  *
  * RETURN:      None
  *
- * DESCRIPTION: Exit the interpreter execution region
+ * DESCRIPTION: Reacquire the interpreter execution region from within the
+ *              interpreter code. Failure to enter the interpreter region is a
+ *              fatal system error. Used in  conjuction with
+ *              relinquish_interpreter
+ *
+ ******************************************************************************/
+
+void acpi_ex_reacquire_interpreter(void)
+{
+	ACPI_FUNCTION_TRACE(ex_reacquire_interpreter);
+
+	/*
+	 * If the global serialized flag is set, do not release the interpreter,
+	 * since it was not actually released by acpi_ex_relinquish_interpreter.
+	 * This forces the interpreter to be single threaded.
+	 */
+	if (!acpi_gbl_all_methods_serialized) {
+		acpi_ex_enter_interpreter();
+	}
+
+	return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_exit_interpreter
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
  *
- * Cases where the interpreter is unlocked:
- *      1) Completion of the execution of a control method
- *      2) Method blocked on a Sleep() AML opcode
- *      3) Method blocked on an Acquire() AML opcode
- *      4) Method blocked on a Wait() AML opcode
- *      5) Method blocked to acquire the global lock
- *      6) Method blocked to execute a serialized control method that is
- *          already executing
- *      7) About to invoke a user-installed opregion handler
+ * DESCRIPTION: Exit the interpreter execution region. This is the top level
+ *              routine used to exit the interpreter when all processing has
+ *              been completed.
  *
  ******************************************************************************/
 
@@ -127,7 +152,46 @@ void acpi_ex_exit_interpreter(void)
 
 	status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
 	if (ACPI_FAILURE(status)) {
-		ACPI_ERROR((AE_INFO, "Could not release interpreter mutex"));
+		ACPI_ERROR((AE_INFO,
+			    "Could not release AML Interpreter mutex"));
+	}
+
+	return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_relinquish_interpreter
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Exit the interpreter execution region, from within the
+ *              interpreter - before attempting an operation that will possibly
+ *              block the running thread.
+ *
+ * Cases where the interpreter is unlocked internally
+ *      1) Method to be blocked on a Sleep() AML opcode
+ *      2) Method to be blocked on an Acquire() AML opcode
+ *      3) Method to be blocked on a Wait() AML opcode
+ *      4) Method to be blocked to acquire the global lock
+ *      5) Method to be blocked waiting to execute a serialized control method
+ *          that is currently executing
+ *      6) About to invoke a user-installed opregion handler
+ *
+ ******************************************************************************/
+
+void acpi_ex_relinquish_interpreter(void)
+{
+	ACPI_FUNCTION_TRACE(ex_relinquish_interpreter);
+
+	/*
+	 * If the global serialized flag is set, do not release the interpreter.
+	 * This forces the interpreter to be single threaded.
+	 */
+	if (!acpi_gbl_all_methods_serialized) {
+		acpi_ex_exit_interpreter();
 	}
 
 	return_VOID;
@@ -141,8 +205,8 @@ void acpi_ex_exit_interpreter(void)
  *
  * RETURN:      none
  *
- * DESCRIPTION: Truncate a number to 32-bits if the currently executing method
- *              belongs to a 32-bit ACPI table.
+ * DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is
+ *              32-bit, as determined by the revision of the DSDT.
  *
  ******************************************************************************/
 

drivers/acpi/hardware/hwsleep.c

@@ -152,7 +152,6 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
 
 ACPI_EXPORT_SYMBOL(acpi_get_firmware_waking_vector)
 #endif
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_enter_sleep_state_prep

drivers/acpi/namespace/nseval.c

@@ -75,7 +75,7 @@ ACPI_MODULE_NAME("nseval")
  * MUTEX:       Locks interpreter
  *
  ******************************************************************************/
-acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
+acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
 {
 	acpi_status status;
 
@@ -154,11 +154,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
 		 * Execute the method via the interpreter. The interpreter is locked
 		 * here before calling into the AML parser
 		 */
-		status = acpi_ex_enter_interpreter();
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-
+		acpi_ex_enter_interpreter();
 		status = acpi_ps_execute_method(info);
 		acpi_ex_exit_interpreter();
 	} else {
@@ -182,10 +178,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
 		 * resolution, we must lock it because we could access an opregion.
 		 * The opregion access code assumes that the interpreter is locked.
 		 */
-		status = acpi_ex_enter_interpreter();
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
+		acpi_ex_enter_interpreter();
 
 		/* Function has a strange interface */
 

drivers/acpi/namespace/nsinit.c

@@ -214,7 +214,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
 			u32 level, void *context, void **return_value)
 {
 	acpi_object_type type;
-	acpi_status status;
+	acpi_status status = AE_OK;
 	struct acpi_init_walk_info *info =
 	    (struct acpi_init_walk_info *)context;
 	struct acpi_namespace_node *node =
@@ -268,10 +268,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
 	/*
 	 * Must lock the interpreter before executing AML code
 	 */
-	status = acpi_ex_enter_interpreter();
-	if (ACPI_FAILURE(status)) {
-		return (status);
-	}
+	acpi_ex_enter_interpreter();
 
 	/*
 	 * Each of these types can contain executable AML code within the

drivers/acpi/namespace/nswalk.c

@@ -65,10 +65,8 @@ ACPI_MODULE_NAME("nswalk")
  *              within Scope is returned.
  *
  ******************************************************************************/
-struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
-						  struct acpi_namespace_node
-						  *parent_node,
-						  struct acpi_namespace_node
+struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct acpi_namespace_node
+						  *parent_node, struct acpi_namespace_node
 						  *child_node)
 {
 	struct acpi_namespace_node *next_node = NULL;

drivers/acpi/namespace/nsxfeval.c

@@ -48,7 +48,6 @@
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsxfeval")
-
 #ifdef ACPI_FUTURE_USAGE
 /*******************************************************************************
  *
@@ -73,8 +72,8 @@ ACPI_MODULE_NAME("nsxfeval")
 acpi_status
 acpi_evaluate_object_typed(acpi_handle handle,
 			   acpi_string pathname,
-			   struct acpi_object_list * external_params,
-			   struct acpi_buffer * return_buffer,
+			   struct acpi_object_list *external_params,
+			   struct acpi_buffer *return_buffer,
 			   acpi_object_type return_type)
 {
 	acpi_status status;
@@ -143,7 +142,6 @@ acpi_evaluate_object_typed(acpi_handle handle,
 
 ACPI_EXPORT_SYMBOL(acpi_evaluate_object_typed)
 #endif				/*  ACPI_FUTURE_USAGE  */
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_evaluate_object
@@ -170,7 +168,6 @@ acpi_evaluate_object(acpi_handle handle,
 		     struct acpi_buffer *return_buffer)
 {
 	acpi_status status;
-	acpi_status status2;
 	struct acpi_evaluate_info *info;
 	acpi_size buffer_space_needed;
 	u32 i;
@@ -329,15 +326,13 @@ acpi_evaluate_object(acpi_handle handle,
 		 * Delete the internal return object. NOTE: Interpreter must be
 		 * locked to avoid race condition.
 		 */
-		status2 = acpi_ex_enter_interpreter();
-		if (ACPI_SUCCESS(status2)) {
+		acpi_ex_enter_interpreter();
 
 		/* Remove one reference on the return object (should delete it) */
 
 		acpi_ut_remove_reference(info->return_object);
 		acpi_ex_exit_interpreter();
 	}
-	}
 
       cleanup:
 

drivers/acpi/osl.c

@@ -71,6 +71,7 @@ static unsigned int acpi_irq_irq;
 static acpi_osd_handler acpi_irq_handler;
 static void *acpi_irq_context;
 static struct workqueue_struct *kacpid_wq;
+static struct workqueue_struct *kacpi_notify_wq;
 
 static void __init acpi_request_region (struct acpi_generic_address *addr,
 	unsigned int length, char *desc)
@@ -137,8 +138,9 @@ acpi_status acpi_os_initialize1(void)
 		return AE_NULL_ENTRY;
 	}
 	kacpid_wq = create_singlethread_workqueue("kacpid");
+	kacpi_notify_wq = create_singlethread_workqueue("kacpi_notify");
 	BUG_ON(!kacpid_wq);
-
+	BUG_ON(!kacpi_notify_wq);
 	return AE_OK;
 }
 
@@ -150,6 +152,7 @@ acpi_status acpi_os_terminate(void)
 	}
 
 	destroy_workqueue(kacpid_wq);
+	destroy_workqueue(kacpi_notify_wq);
 
 	return AE_OK;
 }
@@ -601,6 +604,23 @@ void acpi_os_derive_pci_id(acpi_handle rhandle,	/* upper bound  */
 }
 
 static void acpi_os_execute_deferred(struct work_struct *work)
+{
+	struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
+	if (!dpc) {
+		printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
+		return;
+	}
+
+	dpc->function(dpc->context);
+	kfree(dpc);
+
+	/* Yield cpu to notify thread */
+	cond_resched();
+
+	return;
+}
+
+static void acpi_os_execute_notify(struct work_struct *work)
 {
 	struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
 
@@ -637,14 +657,12 @@ acpi_status acpi_os_execute(acpi_execute_type type,
 	acpi_status status = AE_OK;
 	struct acpi_os_dpc *dpc;
 
-	ACPI_FUNCTION_TRACE("os_queue_for_execution");
-
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 			  "Scheduling function [%p(%p)] for deferred execution.\n",
 			  function, context));
 
 	if (!function)
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
+		return AE_BAD_PARAMETER;
 
 	/*
 	 * Allocate/initialize DPC structure.  Note that this memory will be
@@ -662,14 +680,21 @@ acpi_status acpi_os_execute(acpi_execute_type type,
 	dpc->function = function;
 	dpc->context = context;
 
+	if (type == OSL_NOTIFY_HANDLER) {
+		INIT_WORK(&dpc->work, acpi_os_execute_notify);
+		if (!queue_work(kacpi_notify_wq, &dpc->work)) {
+			status = AE_ERROR;
+			kfree(dpc);
+		}
+	} else {
 		INIT_WORK(&dpc->work, acpi_os_execute_deferred);
 		if (!queue_work(kacpid_wq, &dpc->work)) {
 			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "Call to queue_work() failed.\n"));
-		kfree(dpc);
 			status = AE_ERROR;
+			kfree(dpc);
+		}
 	}
-
 	return_ACPI_STATUS(status);
 }
 

drivers/acpi/parser/psopcode.c

@@ -386,12 +386,10 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = {
 		 AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE),
 /* 38 */ ACPI_OP("LAnd", ARGP_LAND_OP, ARGI_LAND_OP, ACPI_TYPE_ANY,
 		 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R,
-			 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC |
-			 AML_CONSTANT),
+		 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT),
 /* 39 */ ACPI_OP("LOr", ARGP_LOR_OP, ARGI_LOR_OP, ACPI_TYPE_ANY,
 		 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R,
-			 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC |
-			 AML_CONSTANT),
+		 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT),
 /* 3A */ ACPI_OP("LNot", ARGP_LNOT_OP, ARGI_LNOT_OP, ACPI_TYPE_ANY,
 		 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R,
 		 AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT),
@@ -491,8 +489,7 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = {
 		 AML_NSNODE | AML_NAMED | AML_DEFER),
 /* 59 */ ACPI_OP("Field", ARGP_FIELD_OP, ARGI_FIELD_OP, ACPI_TYPE_ANY,
 		 AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD,
-			 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
-			 AML_FIELD),
+		 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD),
 /* 5A */ ACPI_OP("Device", ARGP_DEVICE_OP, ARGI_DEVICE_OP,
 		 ACPI_TYPE_DEVICE, AML_CLASS_NAMED_OBJECT,
 		 AML_TYPE_NAMED_NO_OBJ,
@@ -516,13 +513,11 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = {
 /* 5E */ ACPI_OP("IndexField", ARGP_INDEX_FIELD_OP, ARGI_INDEX_FIELD_OP,
 		 ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT,
 		 AML_TYPE_NAMED_FIELD,
-			 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
-			 AML_FIELD),
+		 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD),
 /* 5F */ ACPI_OP("BankField", ARGP_BANK_FIELD_OP, ARGI_BANK_FIELD_OP,
 		 ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT,
 		 AML_TYPE_NAMED_FIELD,
-			 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
-			 AML_FIELD),
+		 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD),
 
 /* Internal opcodes that map to invalid AML opcodes */
 
@@ -630,8 +625,7 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = {
 /* 7D */ ACPI_OP("[EvalSubTree]", ARGP_SCOPE_OP, ARGI_SCOPE_OP,
 		 ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT,
 		 AML_TYPE_NAMED_NO_OBJ,
-			 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
-			 AML_NSNODE),
+		 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE),
 
 /* ACPI 3.0 opcodes */
 

drivers/acpi/resources/rscalc.c

@@ -567,7 +567,8 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
 						     (*sub_object_list)->string.
 						     length + 1);
 			} else {
-				temp_size_needed += acpi_ns_get_pathname_length((*sub_object_list)->reference.node);
+				temp_size_needed +=
+				    acpi_ns_get_pathname_length((*sub_object_list)->reference.node);
 			}
 		} else {
 			/*

drivers/acpi/resources/rscreate.c

@@ -267,16 +267,19 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
 		 * If BIOS erroneously reversed the _PRT source_name and source_index,
 		 * then reverse them back.
 		 */
-		if (ACPI_GET_OBJECT_TYPE (sub_object_list[3]) != ACPI_TYPE_INTEGER) {
+		if (ACPI_GET_OBJECT_TYPE(sub_object_list[3]) !=
+		    ACPI_TYPE_INTEGER) {
 			if (acpi_gbl_enable_interpreter_slack) {
 				source_name_index = 3;
 				source_index_index = 2;
-				printk(KERN_WARNING "ACPI: Handling Garbled _PRT entry\n");
+				printk(KERN_WARNING
+				       "ACPI: Handling Garbled _PRT entry\n");
 			} else {
 				ACPI_ERROR((AE_INFO,
 					    "(PRT[%X].source_index) Need Integer, found %s",
 					    index,
-					acpi_ut_get_object_type_name(sub_object_list[3])));
+					    acpi_ut_get_object_type_name
+					    (sub_object_list[3])));
 				return_ACPI_STATUS(AE_BAD_DATA);
 			}
 		}

drivers/acpi/resources/rsdump.c

@@ -46,7 +46,6 @@
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsdump")
-
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 /* Local prototypes */
 static void acpi_rs_out_string(char *title, char *value);
@@ -489,8 +488,7 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
 			/*
 			 * Optional resource_source for Address resources
 			 */
-			acpi_rs_dump_resource_source(ACPI_CAST_PTR
-						     (struct
+			acpi_rs_dump_resource_source(ACPI_CAST_PTR(struct
 								   acpi_resource_source,
 								   target));
 			break;

drivers/acpi/resources/rslist.c

@@ -153,8 +153,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 
 		/* Perform the conversion */
 
-		status = acpi_rs_convert_resource_to_aml(resource,
-							 ACPI_CAST_PTR(union
+		status = acpi_rs_convert_resource_to_aml(resource, ACPI_CAST_PTR(union
 										 aml_resource,
 										 aml),
 							 acpi_gbl_set_resource_dispatch

drivers/acpi/resources/rsmisc.c

@@ -46,7 +46,6 @@
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsmisc")
-
 #define INIT_RESOURCE_TYPE(i)       i->resource_offset
 #define INIT_RESOURCE_LENGTH(i)     i->aml_offset
 #define INIT_TABLE_LENGTH(i)        i->value
@@ -429,8 +428,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
 			 * Optional resource_source (Index and String)
 			 */
 			aml_length =
-			    acpi_rs_set_resource_source(aml,
-							(acpi_rs_length)
+			    acpi_rs_set_resource_source(aml, (acpi_rs_length)
 							aml_length, source);
 			acpi_rs_set_resource_length(aml_length, aml);
 			break;

drivers/acpi/resources/rsutils.c

@@ -353,10 +353,8 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
 		 *
 		 * Zero the entire area of the buffer.
 		 */
-		total_length =
-		    (u32)
-		    ACPI_STRLEN(ACPI_CAST_PTR(char, &aml_resource_source[1])) +
-		    1;
+		total_length = (u32)
+		ACPI_STRLEN(ACPI_CAST_PTR(char, &aml_resource_source[1])) + 1;
 		total_length = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(total_length);
 
 		ACPI_MEMSET(resource_source->string_ptr, 0, total_length);

drivers/acpi/resources/rsxface.c

@@ -217,7 +217,6 @@ acpi_get_current_resources(acpi_handle device_handle,
 }
 
 ACPI_EXPORT_SYMBOL(acpi_get_current_resources)
-
 #ifdef ACPI_FUTURE_USAGE
 /*******************************************************************************
  *
@@ -261,7 +260,6 @@ acpi_get_possible_resources(acpi_handle device_handle,
 
 ACPI_EXPORT_SYMBOL(acpi_get_possible_resources)
 #endif				/*  ACPI_FUTURE_USAGE  */
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_set_current_resources
@@ -496,7 +494,6 @@ ACPI_EXPORT_SYMBOL(acpi_rs_match_vendor_resource)
  *              each resource in the list.
  *
  ******************************************************************************/
-
 acpi_status
 acpi_walk_resources(acpi_handle device_handle,
 		    char *name,

drivers/acpi/sleep/main.c

@@ -276,4 +276,3 @@ int __init acpi_sleep_init(void)
 
 	return 0;
 }
-

drivers/acpi/sleep/proc.c

@@ -351,7 +351,6 @@ acpi_system_write_alarm(struct file *file,
 }
 #endif				/* HAVE_ACPI_LEGACY_ALARM */
 
-
 extern struct list_head acpi_wakeup_device_list;
 extern spinlock_t acpi_device_lock;
 

drivers/acpi/tables/tbfadt.c

@@ -334,7 +334,8 @@ static void acpi_tb_convert_fadt(void)
 				     (acpi_gbl_FADT.xpm1a_event_block.address +
 				      pm1_register_length));
 	/* Don't forget to copy space_id of the GAS */
-	acpi_gbl_xpm1a_enable.space_id = acpi_gbl_FADT.xpm1a_event_block.space_id;
+	acpi_gbl_xpm1a_enable.space_id =
+	    acpi_gbl_FADT.xpm1a_event_block.space_id;
 
 	/* The PM1B register block is optional, ignore if not present */
 
@@ -344,7 +345,8 @@ static void acpi_tb_convert_fadt(void)
 					     (acpi_gbl_FADT.xpm1b_event_block.
 					      address + pm1_register_length));
 		/* Don't forget to copy space_id of the GAS */
-		acpi_gbl_xpm1b_enable.space_id = acpi_gbl_FADT.xpm1a_event_block.space_id;
+		acpi_gbl_xpm1b_enable.space_id =
+		    acpi_gbl_FADT.xpm1a_event_block.space_id;
 
 	}
 

drivers/acpi/tables/tbxface.c

@@ -201,6 +201,7 @@ acpi_status acpi_reallocate_root_table(void)
 
 	return_ACPI_STATUS(AE_OK);
 }
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_load_table
@@ -262,7 +263,7 @@ ACPI_EXPORT_SYMBOL(acpi_load_table)
 acpi_status
 acpi_get_table_header(char *signature,
 		      acpi_native_uint instance,
-		      struct acpi_table_header *out_table_header)
+		      struct acpi_table_header * out_table_header)
 {
 	acpi_native_uint i;
 	acpi_native_uint j;
@@ -321,7 +322,6 @@ acpi_get_table_header(char *signature,
 
 ACPI_EXPORT_SYMBOL(acpi_get_table_header)
 
-
 /******************************************************************************
  *
  * FUNCTION:    acpi_unload_table_id
@@ -376,7 +376,7 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id)
  *****************************************************************************/
 acpi_status
 acpi_get_table(char *signature,
-	       acpi_native_uint instance, struct acpi_table_header ** out_table)
+	       acpi_native_uint instance, struct acpi_table_header **out_table)
 {
 	acpi_native_uint i;
 	acpi_native_uint j;

drivers/acpi/thermal.c

@@ -59,8 +59,6 @@
 #define ACPI_THERMAL_NOTIFY_CRITICAL	0xF0
 #define ACPI_THERMAL_NOTIFY_HOT		0xF1
 #define ACPI_THERMAL_MODE_ACTIVE	0x00
-#define ACPI_THERMAL_MODE_PASSIVE	0x01
-#define ACPI_THERMAL_MODE_CRITICAL   	0xff
 #define ACPI_THERMAL_PATH_POWEROFF	"/sbin/poweroff"
 
 #define ACPI_THERMAL_MAX_ACTIVE	10
@@ -86,9 +84,6 @@ static int acpi_thermal_resume(struct acpi_device *device);
 static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
 static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
 static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
-static ssize_t acpi_thermal_write_trip_points(struct file *,
-					      const char __user *, size_t,
-					      loff_t *);
 static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file);
 static ssize_t acpi_thermal_write_cooling_mode(struct file *,
 					       const char __user *, size_t,
@@ -167,7 +162,6 @@ struct acpi_thermal {
 	unsigned long temperature;
 	unsigned long last_temperature;
 	unsigned long polling_frequency;
-	u8 cooling_mode;
 	volatile u8 zombie;
 	struct acpi_thermal_flags flags;
 	struct acpi_thermal_state state;
@@ -193,7 +187,6 @@ static const struct file_operations acpi_thermal_temp_fops = {
 static const struct file_operations acpi_thermal_trip_fops = {
 	.open = acpi_thermal_trip_open_fs,
 	.read = seq_read,
-	.write = acpi_thermal_write_trip_points,
 	.llseek = seq_lseek,
 	.release = single_release,
 };
@@ -297,11 +290,6 @@ static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
-	tz->cooling_mode = mode;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n",
-			  mode ? "passive" : "active"));
-
 	return 0;
 }
 
@@ -889,67 +877,6 @@ static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file)
 	return single_open(file, acpi_thermal_trip_seq_show, PDE(inode)->data);
 }
 
-static ssize_t
-acpi_thermal_write_trip_points(struct file *file,
-			       const char __user * buffer,
-			       size_t count, loff_t * ppos)
-{
-	struct seq_file *m = file->private_data;
-	struct acpi_thermal *tz = m->private;
-
-	char *limit_string;
-	int num, critical, hot, passive;
-	int *active;
-	int i = 0;
-
-
-	limit_string = kzalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
-	if (!limit_string)
-		return -ENOMEM;
-
-	active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
-	if (!active) {
-		kfree(limit_string);
-		return -ENOMEM;
-	}
-
-	if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) {
-		count = -EINVAL;
-		goto end;
-	}
-
-	if (copy_from_user(limit_string, buffer, count)) {
-		count = -EFAULT;
-		goto end;
-	}
-
-	limit_string[count] = '\0';
-
-	num = sscanf(limit_string, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d",
-		     &critical, &hot, &passive,
-		     &active[0], &active[1], &active[2], &active[3], &active[4],
-		     &active[5], &active[6], &active[7], &active[8],
-		     &active[9]);
-	if (!(num >= 5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) {
-		count = -EINVAL;
-		goto end;
-	}
-
-	tz->trips.critical.temperature = CELSIUS_TO_KELVIN(critical);
-	tz->trips.hot.temperature = CELSIUS_TO_KELVIN(hot);
-	tz->trips.passive.temperature = CELSIUS_TO_KELVIN(passive);
-	for (i = 0; i < num - 3; i++) {
-		if (!(tz->trips.active[i].flags.valid))
-			break;
-		tz->trips.active[i].temperature = CELSIUS_TO_KELVIN(active[i]);
-	}
-
-      end:
-	kfree(active);
-	kfree(limit_string);
-	return count;
-}
-
 static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
 {
 	struct acpi_thermal *tz = seq->private;
@@ -958,15 +885,10 @@ static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
 	if (!tz)
 		goto end;
 
-	if (!tz->flags.cooling_mode) {
+	if (!tz->flags.cooling_mode)
 		seq_puts(seq, "<setting not supported>\n");
-	}
-
-	if (tz->cooling_mode == ACPI_THERMAL_MODE_CRITICAL)
-		seq_printf(seq, "cooling mode:	critical\n");
 	else
-		seq_printf(seq, "cooling mode:	%s\n",
-			   tz->cooling_mode ? "passive" : "active");
+		seq_puts(seq, "0 - Active; 1 - Passive\n");
 
       end:
 	return 0;
@@ -1223,28 +1145,6 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz)
 	result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
 	if (!result)
 		tz->flags.cooling_mode = 1;
-	else {
-		/* Oh,we have not _SCP method.
-		   Generally show cooling_mode by _ACx, _PSV,spec 12.2 */
-		tz->flags.cooling_mode = 0;
-		if (tz->trips.active[0].flags.valid
-		    && tz->trips.passive.flags.valid) {
-			if (tz->trips.passive.temperature >
-			    tz->trips.active[0].temperature)
-				tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
-			else
-				tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
-		} else if (!tz->trips.active[0].flags.valid
-			   && tz->trips.passive.flags.valid) {
-			tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
-		} else if (tz->trips.active[0].flags.valid
-			   && !tz->trips.passive.flags.valid) {
-			tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
-		} else {
-			/* _ACx and _PSV are optional, but _CRT is required */
-			tz->cooling_mode = ACPI_THERMAL_MODE_CRITICAL;
-		}
-	}
 
 	/* Get default polling frequency [_TZP] (optional) */
 	if (tzp)

drivers/acpi/utilities/utalloc.c

@@ -107,7 +107,6 @@ acpi_status acpi_ut_create_caches(void)
 	if (ACPI_FAILURE(status)) {
 		return (status);
 	}
-
 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 
 	/* Memory allocation lists */

drivers/acpi/utilities/utcache.c

@@ -45,7 +45,6 @@
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utcache")
-
 #ifdef ACPI_USE_LOCAL_CACHE
 /*******************************************************************************
  *
@@ -64,7 +63,7 @@ ACPI_MODULE_NAME("utcache")
 acpi_status
 acpi_os_create_cache(char *cache_name,
 		     u16 object_size,
-		     u16 max_depth, struct acpi_memory_list **return_cache)
+		     u16 max_depth, struct acpi_memory_list ** return_cache)
 {
 	struct acpi_memory_list *cache;
 

drivers/acpi/utilities/utcopy.c

@@ -814,7 +814,9 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type,
 		/*
 		 * Create the object array
 		 */
-		target_object->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size) source_object->package.count + 1) * sizeof(void *));
+		target_object->package.elements =
+		    ACPI_ALLOCATE_ZEROED(((acpi_size) source_object->package.
+					  count + 1) * sizeof(void *));
 		if (!target_object->package.elements) {
 			status = AE_NO_MEMORY;
 			goto error_exit;

drivers/acpi/utilities/utdebug.c

@@ -45,7 +45,6 @@
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utdebug")
-
 #ifdef ACPI_DEBUG_OUTPUT
 static acpi_thread_id acpi_gbl_prev_thread_id;
 static char *acpi_gbl_fn_entry_str = "----Entry";
@@ -181,7 +180,8 @@ acpi_ut_debug_print(u32 requested_debug_level,
 		if (ACPI_LV_THREADS & acpi_dbg_level) {
 			acpi_os_printf
 			    ("\n**** Context Switch from TID %lX to TID %lX ****\n\n",
-			     (unsigned long)acpi_gbl_prev_thread_id, (unsigned long)thread_id);
+			     (unsigned long)acpi_gbl_prev_thread_id,
+			     (unsigned long)thread_id);
 		}
 
 		acpi_gbl_prev_thread_id = thread_id;

drivers/acpi/utilities/utdelete.c

@@ -170,6 +170,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
 			acpi_os_delete_mutex(object->mutex.os_mutex);
 			acpi_gbl_global_lock_mutex = NULL;
 		} else {
+			acpi_ex_unlink_mutex(object);
 			acpi_os_delete_mutex(object->mutex.os_mutex);
 		}
 		break;

drivers/acpi/utilities/utglobal.c

@@ -55,12 +55,10 @@ ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
  * Static global variable initialization.
  *
  ******************************************************************************/
-
 /*
  * We want the debug switches statically initialized so they
  * are already set when the debugger is entered.
  */
-
 /* Debug switch - level and trace mask */
 u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
 
@@ -735,5 +733,5 @@ void acpi_ut_init_globals(void)
 }
 
 ACPI_EXPORT_SYMBOL(acpi_dbg_level)
-ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
-ACPI_EXPORT_SYMBOL(acpi_gpe_count)
+    ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
+    ACPI_EXPORT_SYMBOL(acpi_gpe_count)

drivers/acpi/utilities/utmisc.c

@@ -802,8 +802,7 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
 
 		valid_digits++;
 
-		if (sign_of0x
-		    && ((valid_digits > 16)
+		if (sign_of0x && ((valid_digits > 16)
 				  || ((valid_digits > 8) && mode32))) {
 			/*
 			 * This is to_integer operation case.
@@ -1049,6 +1048,7 @@ acpi_ut_exception(char *module_name,
 	acpi_os_vprintf(format, args);
 	acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
 }
+
 EXPORT_SYMBOL(acpi_ut_exception);
 
 void ACPI_INTERNAL_VAR_XFACE

drivers/acpi/utilities/utmutex.c

@@ -244,7 +244,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
 
 	ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
 			  "Thread %lX attempting to acquire Mutex [%s]\n",
-			  (unsigned long) this_thread_id,
+			  (unsigned long)this_thread_id,
 			  acpi_ut_get_mutex_name(mutex_id)));
 
 	status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex,
@@ -252,7 +252,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
 	if (ACPI_SUCCESS(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
 				  "Thread %lX acquired Mutex [%s]\n",
-				  (unsigned long) this_thread_id,
+				  (unsigned long)this_thread_id,
 				  acpi_ut_get_mutex_name(mutex_id)));
 
 		acpi_gbl_mutex_info[mutex_id].use_count++;
@@ -260,7 +260,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
 	} else {
 		ACPI_EXCEPTION((AE_INFO, status,
 				"Thread %lX could not acquire Mutex [%X]",
-				(unsigned long) this_thread_id, mutex_id));
+				(unsigned long)this_thread_id, mutex_id));
 	}
 
 	return (status);
@@ -287,7 +287,7 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
 	this_thread_id = acpi_os_get_thread_id();
 	ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
 			  "Thread %lX releasing Mutex [%s]\n",
-			  (unsigned long) this_thread_id,
+			  (unsigned long)this_thread_id,
 			  acpi_ut_get_mutex_name(mutex_id)));
 
 	if (mutex_id > ACPI_MAX_MUTEX) {

drivers/acpi/utilities/utresrc.c

@@ -46,7 +46,6 @@
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utresrc")
-
 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
 /*
  * Strings used to decode resource descriptors.

drivers/acpi/utilities/utxface.c

@@ -337,7 +337,6 @@ acpi_status acpi_terminate(void)
 }
 
 ACPI_EXPORT_SYMBOL(acpi_terminate)
-
 #ifdef ACPI_FUTURE_USAGE
 /*******************************************************************************
  *
@@ -470,7 +469,6 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
 
 ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler)
 #endif				/*  ACPI_FUTURE_USAGE  */
-
 /*****************************************************************************
  *
  * FUNCTION:    acpi_purge_cached_objects

drivers/misc/Kconfig

@@ -130,7 +130,7 @@ config SONY_LAPTOP
 
 	  Read <file:Documentation/sony-laptop.txt> for more information.
 
-config SONY_LAPTOP_OLD
+config SONYPI_COMPAT
 	bool "Sonypi compatibility"
 	depends on SONY_LAPTOP
 	  ---help---

drivers/misc/asus-laptop.c

@@ -30,7 +30,7 @@
  *  Eric Burghard  - LED display support for W1N
  *  Josh Green     - Light Sens support
  *  Thomas Tuttle  - His first patch for led support was very helpfull
- *
+ *  Sam Lin        - GPS support
  */
 
 #include <linux/autoconf.h>
@@ -48,7 +48,7 @@
 #include <acpi/acpi_bus.h>
 #include <asm/uaccess.h>
 
-#define ASUS_LAPTOP_VERSION "0.41"
+#define ASUS_LAPTOP_VERSION "0.42"
 
 #define ASUS_HOTK_NAME          "Asus Laptop Support"
 #define ASUS_HOTK_CLASS         "hotkey"
@@ -83,6 +83,7 @@
 #define PLED_ON     0x20	//Phone LED
 #define GLED_ON     0x40	//Gaming LED
 #define LCD_ON      0x80	//LCD backlight
+#define GPS_ON      0x100	//GPS
 
 #define ASUS_LOG    ASUS_HOTK_FILE ": "
 #define ASUS_ERR    KERN_ERR    ASUS_LOG
@@ -148,7 +149,7 @@ ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP");
 ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD",	/*  A6B, A6K A6R A7D F3JM L4R M6R A3G
 							   M6A M6V VX-1 V6J V6V W3Z */
 	    "\\_SB.PCI0.P0P2.VGA.GETD",	/* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V
-					   S5A M5A z33A W1Jc W2V */
+					   S5A M5A z33A W1Jc W2V G1 */
 	    "\\_SB.PCI0.P0P3.VGA.GETD",	/* A6V A6Q */
 	    "\\_SB.PCI0.P0PA.VGA.GETD",	/* A6T, A6M */
 	    "\\_SB.PCI0.PCI1.VGAC.NMAP",	/* L3C */
@@ -162,6 +163,12 @@ ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD",	/*  A6B, A6K A6R A7D F3JM L
 ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC");	/* Z71A Z71V */
 ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL");	/* Z71A Z71V */
 
+/* GPS */
+/* R2H use different handle for GPS on/off */
+ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON");	/* R2H */
+ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF");	/* R2H */
+ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST");
+
 /*
  * This is the main structure, we can use it to store anything interesting
  * about the hotk device
@@ -278,12 +285,28 @@ static int read_wireless_status(int mask)
 	return (hotk->status & mask) ? 1 : 0;
 }
 
+static int read_gps_status(void)
+{
+	ulong status;
+	acpi_status rv = AE_OK;
+
+	rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status);
+	if (ACPI_FAILURE(rv))
+		printk(ASUS_WARNING "Error reading GPS status\n");
+	else
+		return status ? 1 : 0;
+
+	return (hotk->status & GPS_ON) ? 1 : 0;
+}
+
 /* Generic LED functions */
 static int read_status(int mask)
 {
 	/* There is a special method for both wireless devices */
 	if (mask == BT_ON || mask == WL_ON)
 		return read_wireless_status(mask);
+	else if (mask == GPS_ON)
+		return read_gps_status();
 
 	return (hotk->status & mask) ? 1 : 0;
 }
@@ -299,6 +322,10 @@ static void write_status(acpi_handle handle, int out, int mask)
 	case GLED_ON:
 		out = (out & 0x1) + 1;
 		break;
+	case GPS_ON:
+		handle = (out) ? gps_on_handle : gps_off_handle;
+		out = 0x02;
+		break;
 	default:
 		out &= 0x1;
 		break;
@@ -667,6 +694,21 @@ static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr,
 	return rv;
 }
 
+/*
+ * GPS
+ */
+static ssize_t show_gps(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	return sprintf(buf, "%d\n", read_status(GPS_ON));
+}
+
+static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
+{
+	return store_status(buf, count, NULL, GPS_ON);
+}
+
 static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
 {
 	/* TODO Find a better way to handle events count. */
@@ -715,6 +757,7 @@ static ASUS_CREATE_DEVICE_ATTR(display);
 static ASUS_CREATE_DEVICE_ATTR(ledd);
 static ASUS_CREATE_DEVICE_ATTR(ls_switch);
 static ASUS_CREATE_DEVICE_ATTR(ls_level);
+static ASUS_CREATE_DEVICE_ATTR(gps);
 
 static struct attribute *asuspf_attributes[] = {
 	&dev_attr_infos.attr,
@@ -724,6 +767,7 @@ static struct attribute *asuspf_attributes[] = {
 	&dev_attr_ledd.attr,
 	&dev_attr_ls_switch.attr,
 	&dev_attr_ls_level.attr,
+	&dev_attr_gps.attr,
 	NULL
 };
 
@@ -763,6 +807,9 @@ static void asus_hotk_add_fs(void)
 		ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl);
 		ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw);
 	}
+
+	if (gps_status_handle && gps_on_handle && gps_off_handle)
+		ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps);
 }
 
 static int asus_handle_init(char *name, acpi_handle * handle,
@@ -890,9 +937,13 @@ static int asus_hotk_get_info(void)
 
 	/* There is a lot of models with "ALSL", but a few get
 	   a real light sens, so we need to check it. */
-	if (ASUS_HANDLE_INIT(ls_switch))
+	if (!ASUS_HANDLE_INIT(ls_switch))
 		ASUS_HANDLE_INIT(ls_level);
 
+	ASUS_HANDLE_INIT(gps_on);
+	ASUS_HANDLE_INIT(gps_off);
+	ASUS_HANDLE_INIT(gps_status);
+
 	kfree(model);
 
 	return AE_OK;
@@ -950,7 +1001,7 @@ static int asus_hotk_add(struct acpi_device *device)
 	 * We install the handler, it will receive the hotk in parameter, so, we
 	 * could add other data to the hotk struct
 	 */
-	status = acpi_install_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
+	status = acpi_install_notify_handler(hotk->handle, ACPI_ALL_NOTIFY,
 					     asus_hotk_notify, hotk);
 	if (ACPI_FAILURE(status))
 		printk(ASUS_ERR "Error installing notify handler\n");
@@ -981,6 +1032,9 @@ static int asus_hotk_add(struct acpi_device *device)
 	if (ls_level_handle)
 		set_light_sens_level(hotk->light_level);
 
+	/* GPS is on by default */
+	write_status(NULL, 1, GPS_ON);
+
       end:
 	if (result) {
 		kfree(hotk->name);
@@ -997,7 +1051,7 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
 	if (!device || !acpi_driver_data(device))
 		return -EINVAL;
 
-	status = acpi_remove_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
+	status = acpi_remove_notify_handler(hotk->handle, ACPI_ALL_NOTIFY,
 					    asus_hotk_notify);
 	if (ACPI_FAILURE(status))
 		printk(ASUS_ERR "Error removing notify handler\n");

drivers/misc/msi-laptop.c

@@ -85,7 +85,7 @@ static int set_lcd_level(int level)
 	buf[0] = 0x80;
 	buf[1] = (u8) (level*31);
 
-	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, buf, sizeof(buf), NULL, 0);
+	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, buf, sizeof(buf), NULL, 0, 1);
 }
 
 static int get_lcd_level(void)
@@ -93,7 +93,7 @@ static int get_lcd_level(void)
 	u8 wdata = 0, rdata;
 	int result;
 
-	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1);
+	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1, 1);
 	if (result < 0)
 		return result;
 
@@ -105,7 +105,7 @@ static int get_auto_brightness(void)
 	u8 wdata = 4, rdata;
 	int result;
 
-	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1);
+	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1, 1);
 	if (result < 0)
 		return result;
 
@@ -119,14 +119,14 @@ static int set_auto_brightness(int enable)
 
 	wdata[0] = 4;
 
-	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 1, &rdata, 1);
+	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 1, &rdata, 1, 1);
 	if (result < 0)
 		return result;
 
 	wdata[0] = 0x84;
 	wdata[1] = (rdata & 0xF7) | (enable ? 8 : 0);
 
-	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2, NULL, 0);
+	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2, NULL, 0, 1);
 }
 
 static int get_wireless_state(int *wlan, int *bluetooth)
@@ -134,7 +134,7 @@ static int get_wireless_state(int *wlan, int *bluetooth)
 	u8 wdata = 0, rdata;
 	int result;
 
-	result = ec_transaction(MSI_EC_COMMAND_WIRELESS, &wdata, 1, &rdata, 1);
+	result = ec_transaction(MSI_EC_COMMAND_WIRELESS, &wdata, 1, &rdata, 1, 1);
 	if (result < 0)
 		return -1;
 

drivers/misc/sony-laptop.c

@@ -63,7 +63,7 @@
 #include <asm/uaccess.h>
 #include <linux/sonypi.h>
 #include <linux/sony-laptop.h>
-#ifdef CONFIG_SONY_LAPTOP_OLD
+#ifdef CONFIG_SONYPI_COMPAT
 #include <linux/poll.h>
 #include <linux/miscdevice.h>
 #endif
@@ -114,7 +114,7 @@ MODULE_PARM_DESC(camera,
 		 "set this to 1 to enable Motion Eye camera controls "
 		 "(only use it if you have a C1VE or C1VN model)");
 
-#ifdef CONFIG_SONY_LAPTOP_OLD
+#ifdef CONFIG_SONYPI_COMPAT
 static int minor = -1;
 module_param(minor, int, 0);
 MODULE_PARM_DESC(minor,
@@ -1504,7 +1504,7 @@ static struct attribute_group spic_attribute_group = {
 };
 
 /******** SONYPI compatibility **********/
-#ifdef CONFIG_SONY_LAPTOP_OLD
+#ifdef CONFIG_SONYPI_COMPAT
 
 /* battery / brightness / temperature  addresses */
 #define SONYPI_BAT_FLAGS	0x81
@@ -1798,7 +1798,7 @@ static void sonypi_compat_exit(void)
 static int sonypi_compat_init(void) { return 0; }
 static void sonypi_compat_exit(void) { }
 static void sonypi_compat_report_event(u8 event) { }
-#endif /* CONFIG_SONY_LAPTOP_OLD */
+#endif /* CONFIG_SONYPI_COMPAT */
 
 /*
  * ACPI callbacks

include/acpi/acdispat.h

@@ -290,12 +290,9 @@ acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
 acpi_status
 acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
 
-struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
-						  union acpi_parse_object
-						  *origin,
-						  union acpi_operand_object
-						  *mth_desc,
-						  struct acpi_thread_state
+struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object
+						  *origin, union acpi_operand_object
+						  *mth_desc, struct acpi_thread_state
 						  *thread);
 
 acpi_status

include/acpi/acglobal.h

@@ -319,7 +319,7 @@ ACPI_EXTERN struct acpi_fixed_event_handler
     acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
 ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
 ACPI_EXTERN struct acpi_gpe_block_info
-    *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
+*acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
 
 /*****************************************************************************
  *

include/acpi/acinterp.h

@@ -253,8 +253,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
 
 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
 
-void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc,
-			  struct acpi_thread_state *thread);
+void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
 
 /*
  * exprep - ACPI AML execution - prep utilities
@@ -446,10 +445,14 @@ acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
 /*
  * exutils - interpreter/scanner utilities
  */
-acpi_status acpi_ex_enter_interpreter(void);
+void acpi_ex_enter_interpreter(void);
 
 void acpi_ex_exit_interpreter(void);
 
+void acpi_ex_reacquire_interpreter(void);
+
+void acpi_ex_relinquish_interpreter(void);
+
 void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
 
 u8 acpi_ex_acquire_global_lock(u32 rule);

include/acpi/aclocal.h

@@ -630,7 +630,7 @@ ACPI_PARSE_COMMON};
  * and bytelists.
  */
 struct acpi_parse_obj_named {
-	ACPI_PARSE_COMMON u8 * path;
+	ACPI_PARSE_COMMON u8 *path;
 	u8 *data;		/* AML body or bytelist data */
 	u32 length;		/* AML length */
 	u32 name;		/* 4-byte name or zero if no name */

include/acpi/acnamesp.h

@@ -100,10 +100,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
 		       acpi_walk_callback user_function,
 		       void *context, void **return_value);
 
-struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
-						  struct acpi_namespace_node
-						  *parent,
-						  struct acpi_namespace_node
+struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct acpi_namespace_node
+						  *parent, struct acpi_namespace_node
 						  *child);
 
 /*

include/acpi/acobject.h

@@ -155,7 +155,7 @@ struct acpi_object_event {
 struct acpi_object_mutex {
 	ACPI_OBJECT_COMMON_HEADER u8 sync_level;	/* 0-15, specified in Mutex() call */
 	u16 acquisition_depth;	/* Allow multiple Acquires, same thread */
-	acpi_thread_id owner_thread_id;	/* Current owner of the mutex */
+	struct acpi_thread_state *owner_thread;	/* Current owner of the mutex */
 	acpi_mutex os_mutex;	/* Actual OS synchronization object */
 	union acpi_operand_object *prev;	/* Link for list of acquired mutexes */
 	union acpi_operand_object *next;	/* Link for list of acquired mutexes */

include/acpi/acpi_bus.h

@@ -91,7 +91,8 @@ typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
 typedef int (*acpi_op_lock) (struct acpi_device * device, int type);
 typedef int (*acpi_op_start) (struct acpi_device * device);
 typedef int (*acpi_op_stop) (struct acpi_device * device, int type);
-typedef int (*acpi_op_suspend) (struct acpi_device * device, pm_message_t state);
+typedef int (*acpi_op_suspend) (struct acpi_device * device,
+				pm_message_t state);
 typedef int (*acpi_op_resume) (struct acpi_device * device);
 typedef int (*acpi_op_scan) (struct acpi_device * device);
 typedef int (*acpi_op_bind) (struct acpi_device * device);
@@ -338,7 +339,7 @@ int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent,
 		 acpi_handle handle, int type);
 int acpi_bus_trim(struct acpi_device *start, int rmdevice);
 int acpi_bus_start(struct acpi_device *device);
-acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd);
+acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd);
 int acpi_match_ids(struct acpi_device *device, char *ids);
 int acpi_create_dir(struct acpi_device *);
 void acpi_remove_dir(struct acpi_device *);

include/acpi/acpi_drivers.h

@@ -113,7 +113,8 @@ extern int is_dock_device(acpi_handle handle);
 extern int register_dock_notifier(struct notifier_block *nb);
 extern void unregister_dock_notifier(struct notifier_block *nb);
 extern int register_hotplug_dock_device(acpi_handle handle,
-	acpi_notify_handler handler, void *context);
+					acpi_notify_handler handler,
+					void *context);
 extern void unregister_hotplug_dock_device(acpi_handle handle);
 #else
 static inline int is_dock_device(acpi_handle handle)
@@ -128,7 +129,8 @@ static inline void unregister_dock_notifier(struct notifier_block *nb)
 {
 }
 static inline int register_hotplug_dock_device(acpi_handle handle,
-				acpi_notify_handler handler, void *context)
+					       acpi_notify_handler handler,
+					       void *context)
 {
 	return -ENODEV;
 }

include/acpi/acpiosxf.h

@@ -143,7 +143,8 @@ void acpi_os_release_mutex(acpi_mutex handle);
  */
 void *acpi_os_allocate(acpi_size size);
 
-void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_native_uint length);
+void __iomem *acpi_os_map_memory(acpi_physical_address where,
+				 acpi_native_uint length);
 
 void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
 

include/acpi/acutils.h

@@ -498,7 +498,8 @@ acpi_ut_display_init_pathname(u8 type,
 acpi_status
 acpi_ut_walk_aml_resources(u8 * aml,
 			   acpi_size aml_length,
-			   acpi_walk_aml_callback user_function, void **context);
+			   acpi_walk_aml_callback user_function,
+			   void **context);
 
 acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index);
 

include/acpi/platform/aclinux.h

@@ -103,7 +103,10 @@
 
 #define acpi_thread_id struct task_struct *
 
-static inline acpi_thread_id acpi_os_get_thread_id(void) { return current; }
+static inline acpi_thread_id acpi_os_get_thread_id(void)
+{
+	return current;
+}
 
 /*
  * The irqs_disabled() check is for resume from RAM.
@@ -112,15 +115,19 @@ static inline acpi_thread_id acpi_os_get_thread_id(void) { return current; }
  * to quiet __might_sleep() in kmalloc() and resume does not.
  */
 #include <acpi/actypes.h>
-static inline void *acpi_os_allocate(acpi_size size) {
-	return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+static inline void *acpi_os_allocate(acpi_size size)
+{
+	return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
 }
-static inline void *acpi_os_allocate_zeroed(acpi_size size) {
-	return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+static inline void *acpi_os_allocate_zeroed(acpi_size size)
+{
+	return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
 }
 
-static inline void *acpi_os_acquire_object(acpi_cache_t * cache) {
-        return kmem_cache_zalloc(cache, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
+{
+	return kmem_cache_zalloc(cache,
+				 irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
 }
 
 #define ACPI_ALLOCATE(a)	acpi_os_allocate(a)

include/acpi/processor.h

@@ -189,8 +189,9 @@ struct acpi_processor_errata {
 	} piix4;
 };
 
-extern int acpi_processor_preregister_performance(
-		struct acpi_processor_performance **performance);
+extern int acpi_processor_preregister_performance(struct
+						  acpi_processor_performance
+						  **performance);
 
 extern int acpi_processor_register_performance(struct acpi_processor_performance
 					       *performance, unsigned int cpu);
@@ -213,7 +214,8 @@ void arch_acpi_processor_init_pdc(struct acpi_processor *pr);
 void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
 					unsigned int cpu);
 int acpi_processor_ffh_cstate_probe(unsigned int cpu,
-		struct acpi_processor_cx *cx, struct acpi_power_register *reg);
+				    struct acpi_processor_cx *cx,
+				    struct acpi_power_register *reg);
 void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
 #else
 static inline void acpi_processor_power_init_bm_check(struct
@@ -224,12 +226,14 @@ static inline void acpi_processor_power_init_bm_check(struct
 	return;
 }
 static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
-		struct acpi_processor_cx *cx, struct acpi_power_register *reg)
+						  struct acpi_processor_cx *cx,
+						  struct acpi_power_register
+						  *reg)
 {
 	return -1;
 }
-static inline void acpi_processor_ffh_cstate_enter(
-		struct acpi_processor_cx *cstate)
+static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
+						   *cstate)
 {
 	return;
 }

include/linux/acpi.h

@@ -182,7 +182,8 @@ extern int ec_read(u8 addr, u8 *val);
 extern int ec_write(u8 addr, u8 val);
 extern int ec_transaction(u8 command,
                           const u8 *wdata, unsigned wdata_len,
-                          u8 *rdata, unsigned rdata_len);
+                          u8 *rdata, unsigned rdata_len,
+			  int force_poll);
 
 #endif /*CONFIG_ACPI_EC*/